IMECH-IR  > 流固耦合系统力学重点实验室
Numerical simulation of explosive fracturing with smoothed particle hydrodynamics
Guo ZM1,2; Shen YX1; Liu MB(刘谋斌)3
Source PublicationComputational Methods for Coupled Problems in Science and Engineering V - A Conference Celebrating the 60th Birthday of Eugenio Onate, COUPLED PROBLEMS 2013
2013
Pages696-707
Conference Name5th International Conference on Computational Methods for Coupled Problems in Science and Engineering, COUPLED PROBLEMS 2013
Conference DateJune 17, 2013 - June 19, 2013
Conference PlaceSanta Eulalia, Ibiza Island, Spain
AbstractIn this paper we study explosive fracturing with smoothed particle hydrodynamics (SPH). As a particle based Lagrangian method, SPH is particularly suited to the analysis of fracture due to its full Lagrangian frame and capacity to model large deformation. We adopt the Jones-Wilkins-Lee equation as equation of state of the trinitrotoluene (TNT) explosive and a continuum elasto-damage model to predict the fracture of the rock. We predict the evolution of damage using the strain history of each particle. To strengthen the interaction of coupling interfaces we use a penalty function to avoid penetration between different material particles.
KeywordComputational methods Equations of state Explosives Fracture Interfaces (materials) Lagrange multipliers Damage model Explosive fracture Mesh free method Rock fractures Smoothed particle hydrodynamics
ISBN9788494140761
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77984
Collection流固耦合系统力学重点实验室
Affiliation1.Laboratori de Càlcul Numèric (LaCàN), Universitat Politècnica de Catalunya (UPC BarcelonaTech), Campus Nord, C/ Jordi Girona 1-3, 08034 Barcelona, Spain;
2.School of Mechatronic Engineering, North University of China, Xueyuan Road 3, 030051 Taiyuan, Shanxi, China;
3.Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Sciences, 15, Bei Si Huan Xi Lu, Haidian District, Beijing, 100190, China
Recommended Citation
GB/T 7714
Guo ZM,Shen YX,Liu MB. Numerical simulation of explosive fracturing with smoothed particle hydrodynamics[C],2013:696-707.
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